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2003 Jeff (22) - Code 22 04W Questions 1 to 15 Prof...

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Code 22 - 04W page 1 Questions 1 to 15: Prof. Jefferies’ Lectures 1. Which statement is FALSE ? a. An implicit assumption of the logistic equation is that all individuals have identical properties. b. Values of r (intrinsic rate of natural increase) for different species generally decrease with an increase in body mass. c. The value of K (the carrying capacity) is a fixed value for a given species. d. In the equation describing geometric increase in population growth, N (t) = N (o) e rt , there is an inverse relationship between r (intrinsic rate of natural increase) and t (time). e. Geometric growth of a population leads to a stable-aged population. 2. A new virulent virus, that is carried by mosquitoes which only attack a live pest, is introduced in a pest population. Which one of the following biological responses is NOT likely to occur? 3. A fish population shows logistic growth. If the population is harvested, which indicates the best potential for recovery of the population following harvesting? 4. Which statement is CORRECT ? 5. Which statement about the niche is FALSE ? a. Different species cannot occupy the same niche. b. The niche is multidimensional. c. The niche includes both biotic and abiotic components. d. Character displacement allows species to occupy the same niche. e. The realized niche is usually less in spatial dimension than the fundamental niche.
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